One Idea I had, and this is pretty simple.
Here is a very quick image I rendered out. It could use a lot of work to make it better but it was fast, all you need to do is find a background image that you like, with grass and trees in the background and use it as a backdrop for your render. You can still use an HDRI for the lighting as I am doing here, just turn it off from view in your scene and you will be using the hdri light with the background.
Then all you need to do is position the house to be the best possible height and distance to look good.
Adding some other props in front of the house would make it look even better, like a table or even a close-up tree. and of course, DOF will always make it look better. Anyways just wanted to give my thoughts.
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